Flights from St. Louis to Pasadena

Cheapest flights from St. Louis

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Aug 5 - Fri, Aug 15

STL

Lambert-St. Louis Intl.

DCA

Ronald Reagan Washington National

$119 Roundtrip, found 1 day ago

$119

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Aug 5 from Lambert-St. Louis Intl. to Ronald Reagan Washington National, returning Fri, Aug 15, priced at $119 found 1 day ago

Fri, Aug 8 - Sat, Aug 23

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$127 Roundtrip, found 1 day ago

$127

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Fri, Aug 8 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sat, Aug 23, priced at $127 found 1 day ago

Thu, Aug 7 - Sat, Aug 23

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$134 Roundtrip, found 1 day ago

$134

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Aug 7 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sat, Aug 23, priced at $134 found 1 day ago

Thu, Aug 7 - Sun, Aug 24

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$141 Roundtrip, found 1 day ago

$141

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Aug 7 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Aug 24, priced at $141 found 1 day ago

Thu, Aug 14 - Wed, Sep 3

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$146 Roundtrip, found 1 day ago

$146

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Wed, Sep 3, priced at $146 found 1 day ago

Fri, Jul 25 - Sun, Aug 3

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$147 Roundtrip, found 12 hours ago

$147

Roundtrip

found 12 hours ago

Select Spirit Airlines flight, departing Fri, Jul 25 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Aug 3, priced at $147 found 12 hours ago

Tue, Aug 5 - Fri, Aug 15

STL

Lambert-St. Louis Intl.

DCA

Ronald Reagan Washington National

$149 Roundtrip, found 1 day ago

$149

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Aug 5 from Lambert-St. Louis Intl. to Ronald Reagan Washington National, returning Fri, Aug 15, priced at $149 found 1 day ago

Tue, Aug 5 - Fri, Aug 15

STL

Lambert-St. Louis Intl.

DCA

Ronald Reagan Washington National

$152 Roundtrip, found 1 day ago

$152

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Aug 5 from Lambert-St. Louis Intl. to Ronald Reagan Washington National, returning Fri, Aug 15, priced at $152 found 1 day ago

Fri, Jul 25 - Sat, Jul 26

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$153 Roundtrip, found 12 hours ago

$153

Roundtrip

found 12 hours ago

Select Spirit Airlines flight, departing Fri, Jul 25 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sat, Jul 26, priced at $153 found 12 hours ago

Fri, Aug 1 - Sun, Aug 17

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$154 Roundtrip, found 1 day ago

$154

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Fri, Aug 1 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Aug 17, priced at $154 found 1 day ago

Thu, Jul 31 - Sat, Aug 16

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$157 Roundtrip, found 1 day ago

$157

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Jul 31 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sat, Aug 16, priced at $157 found 1 day ago

Thu, Jul 24 - Sun, Aug 3

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$158 Roundtrip, found 1 day ago

$158

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Jul 24 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Aug 3, priced at $158 found 1 day ago

Fri, Jul 25 - Sat, Aug 9

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$160 Roundtrip, found 12 hours ago

$160

Roundtrip

found 12 hours ago

Select Spirit Airlines flight, departing Fri, Jul 25 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sat, Aug 9, priced at $160 found 12 hours ago

Thu, Jul 24 - Sat, Aug 9

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$161 Roundtrip, found 1 day ago

$161

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Jul 24 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sat, Aug 9, priced at $161 found 1 day ago

Tue, Aug 5 - Fri, Aug 15

STL

Lambert-St. Louis Intl.

DCA

Ronald Reagan Washington National

$163 Roundtrip, found 1 day ago

$163

Roundtrip

found 1 day ago

Select United flight, departing Tue, Aug 5 from Lambert-St. Louis Intl. to Ronald Reagan Washington National, returning Fri, Aug 15, priced at $163 found 1 day ago

Thu, Jul 31 - Sun, Aug 17

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$164 Roundtrip, found 1 day ago

$164

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Jul 31 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Aug 17, priced at $164 found 1 day ago

Tue, Aug 5 - Fri, Aug 15

STL

Lambert-St. Louis Intl.

DCA

Ronald Reagan Washington National

$165 Roundtrip, found 1 day ago

$165

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Aug 5 from Lambert-St. Louis Intl. to Ronald Reagan Washington National, returning Fri, Aug 15, priced at $165 found 1 day ago

Tue, Aug 5 - Fri, Aug 15

STL

Lambert-St. Louis Intl.

DCA

Ronald Reagan Washington National

$193 Roundtrip, found 1 day ago

$193

Roundtrip

found 1 day ago

Select United flight, departing Tue, Aug 5 from Lambert-St. Louis Intl. to Ronald Reagan Washington National, returning Fri, Aug 15, priced at $193 found 1 day ago

Tue, Aug 5 - Fri, Aug 15

STL

Lambert-St. Louis Intl.

DCA

Ronald Reagan Washington National

$197 Roundtrip, found 1 day ago

$197

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Aug 5 from Lambert-St. Louis Intl. to Ronald Reagan Washington National, returning Fri, Aug 15, priced at $197 found 1 day ago

Wed, Jul 23 - Wed, Jul 30

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$264 Roundtrip, found 12 hours ago

$264

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Wed, Jul 23 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Wed, Jul 30, priced at $264 found 12 hours ago